(I the Type of Sampling When a Population Is fiRst

question 13

Multiple Choice

(i. The type of sampling when a population is first divided into subgroups and then a sample is
Selected from each subgroup is called stratified random sampling.
(ii. Auditors may select every 20th file starting with say, the 5th file in the top drawer. Then file
Numbers 25, 45, 65, 85,... are audited. This type of sampling is called cluster sampling.
(iii) The mean of a population is called a parameter.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

---

Definitions:

Industrial Regulation

The imposition of rules by the government on firms and industries to promote competition, control monopoly power, protect consumers, and regulate prices and service quality.

Production Costs

Expenses incurred in the process of manufacturing or producing goods, including materials, labor, and overhead costs.

Industrial Regulation

Involves government rules and policies aimed at controlling the practices, standards, and market entry of firms in specific industries to prevent unfair practices and promote competition.